Heres are some video demoes of the new features on the iPhone OS 4, such as Multitasking, GameCenter, Folders and Digital Zoom. Check them out after the break...
Edit: Updated with 2 more videos

[youtube]http://www.youtube.com/watch?v=c9zDv8BivYw[/youtube]
[youtube]http://www.youtube.com/watch?v=7_Wz1nxOz6Q[/youtube]
[youtube]http://www.youtube.com/watch?v=uE3zl7QWunU[/youtube]
[youtube]http://www.youtube.com/watch?v=DNqDMT56Mbs[/youtube]
[youtube]http://www.youtube.com/watch?v=uaVWLIoHu74[/youtube]
[youtube]http://www.youtube.com/watch?v=Q0HMyozGNhA[/youtube]
[Via]<blockquote>If you want more iPhone / iPod Touch / iPad apps, wallpapers, rumors, details and info, take a look at the Daily iPhone Blog! - Your iPhone, Your way.</blockquote>
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